Finding the Fourth Proportional to 2,121,349.68, 2,927,470.14 and 1,154,491.56
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Solution
The fourth proportional to 2,121,349.68, 2,927,470.14 and 1,154,491.56 is: 1,593,202.48
Step by Step Solution
- Step 1: Write the proportion equation
2,121,349.68 : 2,927,470.14 = 1,154,491.56 : x - Step 2: Convert to fraction form
2,121,349.68/2,927,470.14 = 1,154,491.56/x - Step 3: Cross multiply
2,121,349.68x = 2,927,470.14 × 1,154,491.56 - Step 4: Simplify right side
2,121,349.68x = 3,379,739,568,782.02 - Step 5: Solve for x
x = 3,379,739,568,782.02/2,121,349.68 - Step 6: Final answer
x = 1,593,202.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.